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  • Nyberg construction nonlinear transforms based on all isomorphic representations of the Galois field GF(512) 
    Sokolov, A. V. (2015)
    The paper deals with questions of increasing the efficiency of block symmetric cryptographic algorithms used in modern telecommunications systems. One of the most important elements of any modern symmetric block cryptographic ...
  • Possibility of obtaining functional dependences from database structure 
    Grishin, S. I.; Timoshenko, L. N.; Гришин, С. І.; Тимошенко, Л. М.; Гришин, С. И.; Тимошенко, Л. Н. (Odessa National Polytechnic University, 2017)
    We study the possibility of obtaining functional dependencies from the scheme of the existing database, as well as the data contained in it. Statistical methods for finding dependencies between data were used ...
  • PREPROCESSING OF DIGITAL IMAGE FOR COMPRESSION 
    Narimanova, O. V.; Аgadzhanyan, А. R.; Kuchma, M. S.; Наріманова, О. В.; Агаджанян, А. Р.; Кучма, М. С.; Нариманова, Е. В. (2015)
    Работа посвящена разработке метода предобработки цифрового изображения на основании замены левого и правого сингулярных векторов, соответствующих максимальному сингулярному числу, в блоках матрицы на ...
  • Professional career readiness of university students in Ukraine 
    Pavlov, Oleksii; Павлов, Олексій Львович; Trofimov, Volodymyr; Трофімов, Володимир Євгенович; Павлов, Алексей Львович; Трофимов, Владимир Евгеньевич (ОНПУ, 2018)
    In the process of high-quality training of specialists with higher education, an important part is to ensure a smooth transition of the university graduate to the workplace. In the conditions of the labor market and ...
  • PROGRAM AND TECHNICAL ASPECTS OF CRYPTOGRAPHIC DEFENCE OF DATA STORAGE 
    Задерейко, О. В.; Троянський, О. В.; Задерейко, А. В.; Троянский, А. В.; Zadereyko, A. V.; Troyanskiy, A. V. (2015)
    Захист носіїв інформації є сукупністю проблем, тісно зв'язаних з використанням криптографічних програмних засобів різного призначення. Для вирішення цього завдання застосовується безкоштовне, кроссплатформене криптографічне ...
  • QPSK-Modulation Modem Invariant to the Rotation of the Signal Constellation Plane 
    Kushnirenko, Oleg; Sadchenko, Andrey (2018)
    In order to increase the efficiency of dedicated frequency channels, i.e. to increase the specific data transfer rate, multipositional quadrature phase shift keying (QPSK, aka 4-PSK) should be used. The problems with ...
  • Regular Synthesis Method of a Complete Class of Ternary Bent-Sequences and Their Nonlinear Properties 
    Sokolov, A.V.; Zhdanov, O.N.; Соколов, Артем Викторович; Жданов, Олег Николаевич (2016)
    A regular synthesis method of the full class of ternary bent-sequences based on their representation in the form of 3-bent-squares is developed. The formula for the nonlinearity estimation of ternary sequences, based on ...
  • REGULAR SYNTHESIS METHOD OF THE SEQUENCES OF LENGTH N = 24 WITH OPTIMALPAPR OF WALSH-HADAMARD SPECTRUM 
    Sokolov, A. V. (2016)
    The paper is devoted to the development of regular synthesis method of sequences of length N = 24 with an optimal Peak-to-average power ratio (PAPR) of Walsh-Hadamard spectrum on the basis of spectral rectangles. The range ...
  • Sign-нечувствительность сингулярных векторов матрицы изображения как основа стеганоалгоритма, устойчивого к сжатию 
    Мельник, Маргарита Александровна; Мельник, Маргарита Олександрівна; Melnik, Margarita (2013)
    В работе на основе sign-нечувствительности, обеспечивающей нечувствительность сингулярных векторов стандартных блоков матрицы цифрового изображения, отвечающих максимальным сингулярным числам, к произвольным возмущающим ...
  • Singular values decomposition as a tool enhancing the efficiency of steganographic algorithm 
    Melnik, Margarita; Мельник, Маргарита Олександрівна; Мельник, Маргарита Александровна (2014)
    A technique for singular value decomposition of blocks of a cover matrix was improved to enhance the efficiency of decoding the additional information by a “robust to compression attacks” steganographic algorithm which ...
  • Software at Mobile Spectrometer with CZT-Detector 
    Maslov, Oleh; Маслов, Олег Вікторович; Маслов, Олег Викторович; Mokritskiy, Vadim; Мокрицький, Вадим Анатолійович; Мокрицкий, Вадим Анатольевич (Odessa National Polytechnic University, 2021-04-10)
    The technology is based on a semiconductor CdZnTe-portable (almost the size of a mobile phone) gamma-ray spectrometer with high resolution, which provides high efficiency of rapid identification of radionuclides and ...
  • Spectral and Nonlinear Properties of the Sum of Boolean Functions 
    Sokolov, A.V.; Zhdanov, O.N.; Соколов, Артем Викторович; Жданов, Олег Николаевич (2019)
    Boolean functions are the mathematical basis of modern cryptographic algorithms. However, in practice, a set of interrelated Boolean functions is often used to construct a cryptographic algorithm. This circumstance makes ...
  • Steganalysis of digital contents, based on the analysis of unique color triplets 
    Akhmametieva, Anna (2017)
    The new steganalytic algorithm for detection of the presence of additional information that embeds into digital images and digital videos by LSB Matching method with a small hidden capacity (not more than 0.5 bpp) is ...
  • STRUCTURAL PROPERTIES OF THINNED MATRICES OF THE EQUIVALENCE CLASS PERFECT BINARY ARRAYS 
    Kushnirenko, N. I.; Chechelnytskiy, V. Y.; Кушніренко, Н. І.; Чечельницький, В. Я.; Кушниренко, Н. И.; Чечельницкий, В. Я. (2015)
    В работе рассмотрены свойства совершенных двоичных решеток и их прореженных матриц при выполнении операции циклического сдвига строк и/или столбцов. Найдена взаимосвязь между параметрами циклических сдвигов порождающей ...
  • Submission of algorithm for works sequences finding with Petri net 
    Tynynyka, Оlexandr; Тининика, Олександр Миколайович; Тыныныка, Александр Николаевич (Odessa National Polytechnic University, 2017)
    An easy and close to the optimal heuristic algorithm to solve a problem of scheduling theory with some restriction is offered. Such algorithms it is useful to represent of a secure Petri net. The figure steps for solving ...
  • Synthesis method for bent sequences in the Vilenkin-Chrestenson basis 
    Mazurkov, M. I.; Sokolov, A. V.; Barabanov, N. A.; Мазурков, Михаил Иванович; Соколов, Артем Викторович; Барабанов, Николай Алексеевич (2016-11)
    The paper presents a method developed for building a complete class of bent sequences of length N = 9 in the Vilenkin–Chrestenson basis based on employing three reference constructions. The first construction allows the ...
  • Synthesis Method for Families of Constant Amplitude Correcting Codes Based on an Arbitrary Bent-Square 
    Mazurkov, Michael I.; Sokolov, Artem V.; Tsevukh, Igor V. (UTeM, 2017)
    One of the significant disadvantages of MCCDMA (Multi Code-Code Division Multiple Access) technology is a high PAPR (Peak-to-Average Power Ratio) values of used signals in such telecommunication systems. The most modern ...
  • A technique to estimate a steganographic capacity of a stego channel formed with lsb modification approach 
    Bobok, Ivan; Бобок Іван Ігорович; Бобок, Иван Игоревич (2013)
    A polynomial technique for estimating a steganographic capacity (SC) of a stego channel formed with least-significant-bit (LSB) modification approach was developed within the framework of steganalysis ...
  • Technology options for embedding low-profile electronic components in printed circuit boards 
    Efimenko, Anatolii; Єфіменко, Анатолій Афанасійович; Ефименко, Анатолий Афанасьевич; Ryabov, Vyacheslav; Рябов, В'ячеслав Олександрович; Рябов, Вячеслав Александрович (ОНПУ, 2018)
    In order to improve the overall characteristics of printed circuit boards, two technologies for the formation of multilayer printed circuit boards have been developed — with the embedding of low-profile electronic components ...
  • TRANSFORMATION OF INFORMATION AND SOCIAL-PSYCHOLOGICAL SECURITY PARADIGMS (Part 1) 
    Gnatyuk, S.; Gnatyuk, V.; Kononovich, V.; Kononovich, I.; Гнатюк, С. О.; Гнатюк, В. О.; Кононович, В. Г.; Кононович, І. В.; Гнатюк, С. А.; Кононович, И. В. (2016)
    В работе представлены результаты ретроспективного анализа этапов трансформации парадигмы в сфере информационной безопасности – от защиты информации и информационной безопасности до защиты сознания и поведения ...